Validation of sea ice concentration - Asian sector
Bulletin date: 2025-02-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-02-18:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
223 |
2 |
16 |
4 |
0 |
0 |
0 |
| OW |
0 |
29 |
3 |
4 |
1 |
0 |
0 |
0 |
| VODI |
0 |
52 |
4 |
15 |
3 |
0 |
0 |
0 |
| ODI |
0 |
43 |
5 |
28 |
9 |
8 |
3 |
1 |
| CDI |
0 |
28 |
2 |
17 |
17 |
46 |
63 |
120 |
| VCDI |
0 |
9 |
2 |
101 |
175 |
533 |
7078 |
23639 |
|
Date: 2025-02-20:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
329 |
0 |
39 |
25 |
0 |
0 |
0 |
| OW |
0 |
20 |
0 |
7 |
10 |
0 |
0 |
0 |
| VODI |
0 |
30 |
1 |
15 |
3 |
1 |
0 |
0 |
| ODI |
0 |
21 |
1 |
9 |
2 |
5 |
1 |
0 |
| CDI |
0 |
16 |
4 |
14 |
7 |
63 |
134 |
103 |
| VCDI |
0 |
20 |
11 |
107 |
139 |
554 |
8277 |
22315 |
|
Date: 2025-02-22:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
381 |
1 |
65 |
18 |
0 |
0 |
0 |
| OW |
0 |
11 |
0 |
8 |
3 |
0 |
0 |
0 |
| VODI |
0 |
12 |
0 |
18 |
8 |
0 |
0 |
0 |
| ODI |
0 |
5 |
0 |
13 |
12 |
2 |
0 |
0 |
| CDI |
0 |
10 |
0 |
9 |
19 |
45 |
86 |
100 |
| VCDI |
0 |
6 |
0 |
18 |
101 |
378 |
6730 |
24224 |
|
Date: 2025-02-24:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
515 |
7 |
29 |
6 |
0 |
0 |
0 |
| OW |
0 |
19 |
1 |
9 |
4 |
0 |
0 |
0 |
| VODI |
0 |
24 |
1 |
13 |
23 |
0 |
0 |
0 |
| ODI |
0 |
7 |
1 |
11 |
46 |
13 |
8 |
0 |
| CDI |
0 |
14 |
0 |
30 |
98 |
97 |
107 |
60 |
| VCDI |
0 |
18 |
4 |
88 |
271 |
941 |
7055 |
22762 |
|
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